Lewis h



(No Model.)

L. H. REDPIELD.

HOSE CLAMP.

Patented Aug. 9, 1892.

. INVENTOR:

ATTORNEYS WITNESSES;

UNITED STATES PATENT OFFICE.

LEWIS H. REDFIELD, OF SYRACUSE, NEW YORK, ASSIGNOR OF ONE-HALF TO J. RICHARD OLANCY, OF SAME PLACE.

HOSE-CLAM P.

SPECIFICATION forming part of Letters Patent No. 480,514, dated August 9, 1892.

Application filed January 4, 1892. fierial No. 416,922. (No model.)

To ail whom it may concern: upon itself on a transverse line midway be- Be it known that I, LEWIS H. REDFIELD, of tween the perforations a a, and said folded Syracuse, in the county of Onondaga, in the portion is bent radially outward and the fin- State of New York, have invented new and gers Z) I) bent from the folded portion, so as to 5 useful Improvements in Hose Clamps, of lap onto the inner side of the adjacent end of which the following, taken in connection with the companion section or band 0. The two the accompanying drawings, is a full, clear, bands are united by bolts d d, passing through and exact description. the ears and nuts 71 n on said bolts. I prefa.

This invention relates to the class of hoseerably employ right and left screws with cor- 1o clamps which are composed of two semicirrespondingly-threaded nuts, as shown, therecularbands terminating with perforated coupby allowing the nuts to bear on the ears close ling-ears and united by bolts and nuts apto the main portion of the band. The flanges plied to said ears. 0 c I turn up at right angles from the cars e The object of this invention is to provide a to prevent the nuts from turning with the 15 hose-clamp of the aforesaid class which shall screw in the operation of tighteningthe clamp. be more flexible, so as to allow it to embrace The bands may be either solid, as shown in more effectually the hose and also allow it to Figs. 2 and 3 of the drawings, or slotted lonbe applied more easily to the hose, and when gitudinally, as represented in Figs. 4 and 5 of applied it shall be provided with guards the drawings.

20 across the spaces between the coupling-ears, Having described my invention, What I so as to prevent the hose from crimping and claim as new, and desire to secure by Letters buckling up in said spaces, all as hereinafter Patent, is more fully described, and specifically set forth 1. A hose-clamp composed of two sheetin the claims. metal bands, each bentinto semicicular shape,

25 In the annexed drawings, Figuresl and? are with a perforated outwardly-bent ear at one respectively edge and side views of a hoseend and having the opposite end portion clamp embodying my invention. Fig. 3 is a folded upon itself and terminated with fortransverse section on line a; so in Fig. 1, and wardly-extending fingers and perforated in Figs. 4 and 5 are plan views of the blanks said folded position and two sets of clamp- 0 from which the two sections of thehose-clamp ing bolts and nuts uniting said bands at the are formed. aforesaid ears,substantially as described and Similar letters of reference indicate correshown. sponding parts. 2. The within-described blanks for hose- 8o 0 0 represent the two sections of the hoseclamp, consisting of' the sheet-metal bands 0 3 5 clamp. Said sections consist of bands stamped 0, each provided with the perforation a in out of suitable sheet metal by means of suitone end, perforations a a. in the opposite end able dies. Each of these sections or hands is and disposed in the longitudinal central line provided with a perforation a in one end,perof the band, fingers b 19, extending from said forations a a in the opposite end andin the end, and flanges c c on the edges of the end 40 central longitudinal line of the band, and portions of the band, substantially as defingers b 1), extending from said end, and I scribed and shown. also prefer to form the bands with flanges c c In testimonywhereofIhavehereunto signed on the edges of the end portions thereof. my name this 31st day of December, 1891.

The main portion of each of the bands 0. is LEWIS I-I. REDFIELD. [L. S.] 45 bent into semicircular shape, the single per- Witnesses:

forated end e is bent radially outward, and H. M. SEAMANS,

the double perforated end portion e is folded J. J. LAASS. 

